(19)

(11)

EP 2 438 353 A2

(12)

(43) Date of publication: 11.04.2012 Bulletin 2012/15 (21) Application number: 09799702.7 (22) Date of filing: 18.12.2009

(51) International Patent Classification (IPC):  F22B 37/20(2006.01) (86) International application number: PCT/GB2009/051735 (87) International publication number: WO 2010/073030 (01.07.2010 Gazette 2010/26)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 23.12.2008 US 342658 (71) Applicant: Doosan Babcock Energy Limited Renfrew, Strathclyde PA4 8DJ (GB)	(72) Inventor: ZAMAN, Dewan Shamsuz Renfrew Strathclyde PA4 8DJ (GB) (74) Representative: Wilson, Peter et al Murgitroyd & Company 165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)